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89034a543b
Allow users to paste text from e.g. MS Word. This text can be paste from clipboard both as text and as graphics. LyX should prefer to paste it as text. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@27988 a592a061-630c-0410-9148-cb99ea01b6c8
98 lines
2.9 KiB
C++
98 lines
2.9 KiB
C++
// -*- C++ -*-
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/**
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* \file Clipboard.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author unknown
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* \author John Levon
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* \author Abdelrazak Younes
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef BASE_CLIPBOARD_H
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#define BASE_CLIPBOARD_H
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#include "Cursor.h"
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#include "support/FileName.h"
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#include "support/strfwd.h"
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using lyx::support::FileName;
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namespace lyx {
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namespace frontend {
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/**
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* A Clipboard class manages the clipboard.
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*/
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class Clipboard
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{
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public:
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virtual ~Clipboard() {}
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enum GraphicsType {
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PdfGraphicsType,
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PngGraphicsType,
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JpegGraphicsType,
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LinkBackGraphicsType,
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EmfGraphicsType,
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WmfGraphicsType,
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AnyGraphicsType,
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};
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/**
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* Get the system clipboard contents. The format is as written in
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* .lyx files (may even be an older version than ours if it comes
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* from an older LyX).
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* Does not convert plain text to LyX if only plain text is available.
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* This should be called when the user requests to paste from the
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* clipboard.
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*/
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virtual std::string const getAsLyX() const = 0;
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/// Get the contents of the window system clipboard in plain text format.
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virtual docstring const getAsText() const = 0;
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/// Get the contents of the window system clipboard as graphics file.
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virtual FileName getAsGraphics(Cursor const & cur, GraphicsType type) const = 0;
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/**
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* Fill the system clipboard. The format of \p lyx is as written in
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* .lyx files, the format of \p text is plain text.
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* We put the clipboard contents in LyX format and plain text into
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* the system clipboard if supported, so that it is useful for other
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* applications as well as other instances of LyX.
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* This should be called when the user requests to cut or copy to
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* the clipboard.
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*/
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virtual void put(std::string const & lyx, docstring const & text) = 0;
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/// Does the clipboard contain LyX contents?
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virtual bool hasLyXContents() const = 0;
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/// Does the clipboard contain text contents?
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virtual bool hasTextContents() const = 0;
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/// Does the clipboard contain graphics contents of a certain type?
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virtual bool hasGraphicsContents(GraphicsType type = AnyGraphicsType) const = 0;
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/// state of clipboard.
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/// \returns true if the system clipboard has been set within LyX
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/// (document contents, dialogs count as external here).
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virtual bool isInternal() const = 0;
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/// \returns true if the OS has the concept of clipboard ownership,
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/// which is crucial for our concept of internal clipboard.
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virtual bool hasInternal() const = 0;
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/// Is the clipboard empty?
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/// \returns true if both the LyX and the plaintext versions of the
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/// clipboard are empty, and no supported graphics format is available.
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virtual bool empty() const = 0;
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};
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} // namespace frontend
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/// Implementation is in Application.cpp
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extern frontend::Clipboard & theClipboard();
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} // namespace lyx
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#endif // BASE_CLIPBOARD_H
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